/**
 * @license
 * Copyright 2016 Google Inc.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import type { GL } from "#src/webgl/context.js";
import { initializeWebGL } from "#src/webgl/context.js";

export function webglTest(f: (gl: GL, canvas: HTMLCanvasElement) => void) {
  const canvas = document.createElement("canvas");
  document.body.appendChild(canvas);
  let gl: GL | undefined;
  try {
    gl = initializeWebGL(canvas);
    f(gl, canvas);
  } finally {
    if (gl != null) {
      const loseContext = gl.getExtension("WEBGL_lose_context");
      if (loseContext !== null) {
        loseContext.loseContext();
      }
    }
    document.body.removeChild(canvas);
  }
}
